Battery charger



FIG. 1 is a top, front left perspective view of a battery charger showing my new design;

FIG. 2 is a front view of the design shown in FIG. 1;

FIG. 3 is a rear view of the design shown in FIG. 1;

FIG. 4 is a left side view of the design shown in FIG. 1;

FIG. 5 is a right side of the design shown in FIG. 1;

FIG. 6 is a top view of the design shown in FIG. 1; and,

FIG. 7 is a bottom view of the design shown in FIG. 1.

The figures include broken, solid and dash-dot-dash lines. The areas within the solid lines form the claimed design. The dash-dot-dash-lines shown in the figures illustrate an unclaimed boundary of the claimed surfaces and features. The broken lines shown in the figures are included for the purpose of illustrating portions of the battery charger and form no part of the claimed design. 

CLAIM The ornamental design for a battery charger, as shown and described. 